Motorola APX 2000 - Page 1057

Schematics, Boards Overlays, and Parts Lists: Keypad Board M2 and M3 (PC000261A01) 8-229
8.7 Keypad Board M2 and M3 (PC000261A01)
Figure 8-114. Keypad Lite Board Overall Circuit Schematic
(2,4) - DOWN
(0,1) - 7
(0,0) - *
(0,2) - 4
(0,3) - 1
(0,4) - HOME
(1,2) - 5
(1,4) - LEFT
(1,1) - 8
(3,0) - UP
(4,0) - CALL
(4,2) - H/L
(4,1) - SCAN
(3,1) - RIGHT
(2,1) - 9
(2,0) - #
(2,2) - 6
(1,0) - 0
(2,3) - 3
(1,3) - 2
(COL,ROW)
(3,2) - COMPUTER
S11S6S1
S12
S13
S7
S8
S14S9
S2
S3
S4
S15S10S5
212121
21
21
21
21
2121
21
21
21
212121
S19
S20
S16
S17
S21S18
21
21
21
21
2121
V_2.755D
12PF
100PF
P2005
C2023
C2003
V_2.755D
V_2.755D
17
BOARD ID
SOFTWARE TO DETERMINE VALUE
EXPANSION
100PF
100PF
10K
2.4K
10K
DNI
10K
DNI
DNI
V_2.755D
DNI
C2
C1
P2005
R2533
R2502
R2531
R2500
18
560
560
MT99218UMC
MT99218UMC
D2
D1
R19
R16
KEYPAD_WHITE_LED
2
1
21
VCC5V
P2005
E2002
KEYPAD_WHITE_LED
13
USED TO BE VSW_5.4
12PF100PF0.1UF
P2005
E2001
C2052C2051C2050
4
VCC5V
DNI
M1
1
P2005
P2005
P2005
P2005
P2005
P2005
P2005
P2005
G1
G2
15
16
19
20
2
1
0
0
0
R8
R7
R6
P2005
P2005
P2005
KP_COL_B
KP_COL_C
KP_COL_A
7
5
3
100K
100PF
100PF
100K
100K
100PF
R3 R2 R1
C26
C24
C22
KP_ROW_1
KP_ROW_2
KP_ROW_0
KP_COL_A
KP_COL_B
KP_COL_C
KEYPAD CONTROL
EMIF061005M12
FL1
KP_ROW_B
KP_COL_0
KP_ROW_A
KP_COL_2
KP_COL_1
KP_ROW_C
12
11
10
9
8
76
5
4
3
2
1
G1
O12
O11
GND
I1
O10
O9
O8
O7
I2
I3
I4
I5
I6
P2005
P2005
P2005
10
8
6
100PF 100PF 100PFC29
C28 C27
100PF 100PF
P2005
P2005
C31 C30
KP_ROW_D
KP_COL_4
KP_COL_3
KP_ROW_E
12
14
12
11
10
9
8
7
NC
NC
EMIF061005M12
FL2
6
5
4
3
2
1
G1
O12
O11
GND
I1
O10
O9
O8
O7
I2
I3
I4
I5
I6
KP_ROW_4
KP_ROW_3
KP_COL_E
KP_COL_D
0
0
R10
R9
100K
100PF
100PF
100K
R5 R4
C25 C23
GROUND CONTACTS
M2
1
VCC5V
P2005
P2005
KP_COL_D
KP_COL_E
11
9